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fab-manager/app/pdfs/pdf/invoice.rb

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# frozen_string_literal: true
# Generate a downloadable PDF file for the recorded invoice
class PDF::Invoice < Prawn::Document
require 'stringio'
include ActionView::Helpers::NumberHelper
include ApplicationHelper
def initialize(invoice, subscription_expiration_date)
super(margin: 70)
# fonts
opensans = Rails.root.join('vendor/assets/fonts/OpenSans-Regular.ttf').to_s
opensans_bold = Rails.root.join('vendor/assets/fonts/OpenSans-Bold.ttf').to_s
opensans_bolditalic = Rails.root.join('vendor/assets/fonts/OpenSans-BoldItalic.ttf').to_s
opensans_italic = Rails.root.join('vendor/assets/fonts/OpenSans-Italic.ttf').to_s
font_families.update(
'Open-Sans' => {
normal: { file: opensans, font: 'Open-Sans' },
bold: { file: opensans_bold, font: 'Open-Sans-Bold' },
italic: { file: opensans_italic, font: 'Open-Sans-Oblique' },
bold_italic: { file: opensans_bolditalic, font: 'Open-Sans-BoldOblique' }
}
)
# logo
img_b64 = Setting.find_by(name: 'invoice_logo')
begin
image StringIO.new(Base64.decode64(img_b64.value)), fit: [415, 40]
rescue StandardError => e
puts "Unable to decode invoice logo from base64: #{e}"
end
move_down 20
# the following line is a special comment to workaround RubyMine inspection problem
# noinspection RubyScope
font('Open-Sans', size: 10) do
# general information
if invoice.is_a?(Avoir)
text I18n.t('invoices.refund_invoice_reference', REF: invoice.reference), leading: 3
else
text I18n.t('invoices.invoice_reference', REF: invoice.reference), leading: 3
end
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if Setting.get('invoice_code-active')
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text I18n.t('invoices.code', CODE: Setting.get('invoice_code-value')), leading: 3
end
if invoice.invoiced_type != WalletTransaction.name
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if invoice.is_a?(Avoir)
text I18n.t('invoices.order_number', NUMBER: invoice.invoice.order_number), leading: 3
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else
text I18n.t('invoices.order_number', NUMBER: invoice.order_number), leading: 3
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end
end
if invoice.is_a?(Avoir)
text I18n.t('invoices.refund_invoice_issued_on_DATE', DATE: I18n.l(invoice.avoir_date.to_date))
else
text I18n.t('invoices.invoice_issued_on_DATE', DATE: I18n.l(invoice.created_at.to_date))
end
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# user/organization's information
if invoice&.invoicing_profile&.organization
name = invoice.invoicing_profile.organization.name
full_name = "#{name} (#{invoice.invoicing_profile.full_name})"
else
name = invoice.invoicing_profile.full_name
full_name = name
end
address = if invoice&.invoicing_profile&.organization&.address
invoice.invoicing_profile.organization.address.address
elsif invoice&.invoicing_profile&.address
invoice.invoicing_profile.address.address
else
''
end
text_box "<b>#{name}</b>\n#{invoice.invoicing_profile.email}\n#{address}",
at: [bounds.width - 130, bounds.top - 49],
width: 130,
align: :right,
inline_format: true
name = full_name
# object
move_down 25
if invoice.is_a?(Avoir)
object = if invoice.invoiced_type == WalletTransaction.name
I18n.t('invoices.wallet_credit')
else
I18n.t('invoices.cancellation_of_invoice_REF', REF: invoice.invoice.reference)
end
else
case invoice.invoiced_type
when 'Reservation'
object = I18n.t('invoices.reservation_of_USER_on_DATE_at_TIME',
USER: name,
DATE: I18n.l(invoice.invoiced.slots[0].start_at.to_date),
TIME: I18n.l(invoice.invoiced.slots[0].start_at, format: :hour_minute))
invoice.invoice_items.each do |item|
next unless item.subscription_id
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subscription = Subscription.find item.subscription_id
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cancellation = invoice.is_a?(Avoir) ? I18n.t('invoices.cancellation') + ' - ' : ''
object = "\n- #{object}\n- #{cancellation + subscription_verbose(subscription, name)}"
break
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end
when 'Subscription'
object = subscription_verbose(invoice.invoiced, name)
when 'OfferDay'
object = offer_day_verbose(invoice.invoiced, name)
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else
puts "ERROR : specified invoiced type (#{invoice.invoiced_type}) is unknown"
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end
end
text I18n.t('invoices.object') + ' ' + object
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# details table of the invoice's elements
move_down 20
text I18n.t('invoices.order_summary'), leading: 4
move_down 2
data = [[I18n.t('invoices.details'), I18n.t('invoices.amount')]]
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total_calc = 0
total_ht = 0
total_vat = 0
# going through invoice_items
invoice.invoice_items.each do |item|
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price = item.amount.to_i / 100.00
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details = invoice.is_a?(Avoir) ? I18n.t('invoices.cancellation') + ' - ' : ''
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if item.subscription_id ### Subscription
subscription = Subscription.find item.subscription_id
if invoice.invoiced_type == 'OfferDay'
details += I18n.t('invoices.subscription_extended_for_free_from_START_to_END',
START: I18n.l(invoice.invoiced.start_at.to_date),
END: I18n.l(invoice.invoiced.end_at.to_date))
else
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subscription_end_at = if subscription_expiration_date.is_a?(Time)
subscription_expiration_date
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elsif subscription_expiration_date.is_a?(String)
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DateTime.parse(subscription_expiration_date)
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else
subscription.expiration_date
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end
subscription_start_at = subscription_end_at - subscription.plan.duration
details += I18n.t('invoices.subscription_NAME_from_START_to_END',
NAME: item.description,
START: I18n.l(subscription_start_at.to_date),
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END: I18n.l(subscription_end_at.to_date))
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end
else ### Reservation
case invoice.invoiced.try(:reservable_type)
### Machine reservation
when 'Machine'
details += I18n.t('invoices.machine_reservation_DESCRIPTION', DESCRIPTION: item.description)
when 'Space'
details += I18n.t('invoices.space_reservation_DESCRIPTION', DESCRIPTION: item.description)
### Training reservation
when 'Training'
details += I18n.t('invoices.training_reservation_DESCRIPTION', DESCRIPTION: item.description)
### events reservation
when 'Event'
details += I18n.t('invoices.event_reservation_DESCRIPTION', DESCRIPTION: item.description)
# details of the number of tickets
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if invoice.invoiced.nb_reserve_places.positive?
details += "\n " + I18n.t('invoices.full_price_ticket', count: invoice.invoiced.nb_reserve_places)
end
invoice.invoiced.tickets.each do |t|
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details += "\n " + I18n.t('invoices.other_rate_ticket',
count: t.booked,
NAME: t.event_price_category.price_category.name)
end
### wallet credit
when nil
details = item.description
### Other cases (not expected)
else
details += I18n.t('invoices.reservation_other')
end
end
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data += [[details, number_to_currency(price)]]
total_calc += price
total_ht += item.net_amount
total_vat += item.vat
end
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## subtract the coupon, if any
unless invoice.coupon_id.nil?
cp = invoice.coupon
discount = 0
if cp.type == 'percent_off'
discount = total_calc * cp.percent_off / 100.00
elsif cp.type == 'amount_off'
# refunds of invoices with cash coupons: we need to ventilate coupons on paid items
if invoice.is_a?(Avoir)
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paid_items = invoice.invoice.invoice_items.select { |ii| ii.amount.positive? }.length
refund_items = invoice.invoice_items.select { |ii| ii.amount.positive? }.length
discount = ((invoice.coupon.amount_off / paid_items) * refund_items) / 100.00
else
discount = cp.amount_off / 100.00
end
else
raise InvalidCouponError
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end
total_calc -= discount
# discount textual description
literal_discount = cp.percent_off
literal_discount = number_to_currency(cp.amount_off / 100.00) if cp.type == 'amount_off'
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# add a row for the coupon
data += [[_t('invoices.coupon_CODE_discount_of_DISCOUNT',
CODE: cp.code,
DISCOUNT: literal_discount,
TYPE: cp.type), number_to_currency(-discount)]]
end
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# total verification
total = invoice.total / 100.00
puts "ERROR: totals are NOT equals => expected: #{total}, computed: #{total_calc}" if total_calc != total
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# TVA
vat_service = VatHistoryService.new
vat_rate = vat_service.invoice_vat(invoice)
if vat_rate != 0
data += [[I18n.t('invoices.total_including_all_taxes'), number_to_currency(total)]]
data += [[I18n.t('invoices.including_VAT_RATE', RATE: vat_rate), number_to_currency(total_vat / 100.00)]]
data += [[I18n.t('invoices.including_total_excluding_taxes'), number_to_currency(total_ht / 100.00)]]
data += [[I18n.t('invoices.including_amount_payed_on_ordering'), number_to_currency(total)]]
# checking the round number
rounded = sprintf('%.2f', total_vat / 100.00).to_f + sprintf('%.2f', total_ht / 100.00).to_f
if rounded != sprintf('%.2f', total_calc).to_f
puts 'ERROR: rounding the numbers cause an invoice inconsistency. ' \
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"Total expected: #{sprintf('%.2f', total_calc)}, total computed: #{rounded}"
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end
else
data += [[I18n.t('invoices.total_amount'), number_to_currency(total)]]
end
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# display table
table(data, header: true, column_widths: [400, 72], cell_style: { inline_format: true }) do
row(0).font_style = :bold
column(1).style align: :right
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if Setting.get('invoice_VAT-active')
# Total incl. taxes
row(-1).style align: :right
row(-1).background_color = 'E4E4E4'
row(-1).font_style = :bold
# including VAT xx%
row(-2).style align: :right
row(-2).background_color = 'E4E4E4'
row(-2).font_style = :italic
# including total excl. taxes
row(-3).style align: :right
row(-3).background_color = 'E4E4E4'
row(-3).font_style = :italic
# including amount payed on ordering
row(-4).style align: :right
row(-4).background_color = 'E4E4E4'
row(-4).font_style = :bold
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end
end
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# optional description for refunds
move_down 20
text invoice.description if invoice.is_a?(Avoir) && invoice.description
# payment details
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if invoice.is_a?(Avoir)
payment_verbose = I18n.t('invoices.refund_on_DATE', DATE:I18n.l(invoice.avoir_date.to_date)) + ' '
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case invoice.payment_method
when 'stripe'
payment_verbose += I18n.t('invoices.by_stripe_online_payment')
when 'cheque'
payment_verbose += I18n.t('invoices.by_cheque')
when 'transfer'
payment_verbose += I18n.t('invoices.by_transfer')
when 'cash'
payment_verbose += I18n.t('invoices.by_cash')
when 'wallet'
payment_verbose += I18n.t('invoices.by_wallet')
when 'none'
payment_verbose = I18n.t('invoices.no_refund')
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else
puts "ERROR : specified refunding method (#{payment_verbose}) is unknown"
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end
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payment_verbose += ' ' + I18n.t('invoices.for_an_amount_of_AMOUNT', AMOUNT: number_to_currency(total))
else
# subtract the wallet amount for this invoice from the total
if invoice.wallet_amount
wallet_amount = invoice.wallet_amount / 100.00
total -= wallet_amount
else
wallet_amount = nil
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end
# payment method
payment_verbose = if invoice.paid_with_stripe?
I18n.t('invoices.settlement_by_debit_card')
else
I18n.t('invoices.settlement_done_at_the_reception')
end
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# if the invoice was 100% payed with the wallet ...
payment_verbose = I18n.t('invoices.settlement_by_wallet') if total.zero? && wallet_amount
payment_verbose += ' ' + I18n.t('invoices.on_DATE_at_TIME',
DATE: I18n.l(invoice.created_at.to_date),
TIME: I18n.l(invoice.created_at, format: :hour_minute))
if total.positive? || !invoice.wallet_amount
payment_verbose += ' ' + I18n.t('invoices.for_an_amount_of_AMOUNT', AMOUNT: number_to_currency(total))
end
if invoice.wallet_amount
payment_verbose += if total.positive?
' ' + I18n.t('invoices.and') + ' ' + I18n.t('invoices.by_wallet') + ' ' +
I18n.t('invoices.for_an_amount_of_AMOUNT', AMOUNT: number_to_currency(wallet_amount))
else
' ' + I18n.t('invoices.for_an_amount_of_AMOUNT', AMOUNT: number_to_currency(wallet_amount))
end
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end
end
text payment_verbose
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# important information
move_down 40
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txt = parse_html(Setting.get('invoice_text'))
txt.each_line do |line|
text line, style: :bold, inline_format: true
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end
# address and legals information
move_down 40
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txt = parse_html(Setting.get('invoice_legals'))
txt.each_line do |line|
text line, align: :right, leading: 4, inline_format: true
end
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end
# factice watermark
return unless %w[staging test development].include?(invoice.environment)
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transparent(0.1) do
rotate(45, origin: [0, 0]) do
image "#{Rails.root}/app/pdfs/data/watermark-#{I18n.default_locale}.png", at: [90, 150]
end
end
end
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private
def reservation_dates_verbose(slot)
if slot.start_at.to_date == slot.end_at.to_date
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'- ' + I18n.t('invoices.on_DATE_from_START_to_END',
DATE: I18n.l(slot.start_at.to_date),
START: I18n.l(slot.start_at, format: :hour_minute),
END: I18n.l(slot.end_at, format: :hour_minute)) + "\n"
else
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'- ' + I18n.t('invoices.from_STARTDATE_to_ENDDATE_from_STARTTIME_to_ENDTIME',
STARTDATE: I18n.l(slot.start_at.to_date),
ENDDATE: I18n.l(slot.start_at.to_date),
STARTTIME: I18n.l(slot.start_at, format: :hour_minute),
ENDTIME: I18n.l(slot.end_at, format: :hour_minute)) + "\n"
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end
end
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def subscription_verbose(subscription, username)
subscription_start_at = subscription.expired_at - subscription.plan.duration
duration_verbose = I18n.t("duration.#{subscription.plan.interval}", count: subscription.plan.interval_count)
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I18n.t('invoices.subscription_of_NAME_for_DURATION_starting_from_DATE',
NAME: username,
DURATION: duration_verbose,
DATE: I18n.l(subscription_start_at.to_date))
end
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def offer_day_verbose(offer_day, username)
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I18n.t('invoices.subscription_of_NAME_extended_starting_from_STARTDATE_until_ENDDATE',
NAME: username,
STARTDATE: I18n.l(offer_day.start_at.to_date),
ENDDATE: I18n.l(offer_day.end_at.to_date))
end
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##
# Remove every unsupported html tag from the given html text (like <p>, <span>, ...).
# The supported tags are <b>, <u>, <i> and <br>.
# @param html [String] single line html text
# @return [String] multi line simplified html text
##
def parse_html(html)
ActionController::Base.helpers.sanitize(html, tags: %w[b u i br])
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end
end